OLIVIA MAE LARUSSA PA-C
NPI 1023530342
Physician Assistant - Medical in Washington, DC

Active since July 07, 2017PECOS EnrolledAccepts Medicare Assignment
900 23RD ST NW, WASHINGTON, DC 20037(202) 741-3000 Get Directions Write a Review

NPPES record last updated: November 21, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 21, 2023, Dec 18, 2019, Sep 18, 2018 and 1 more (4 updates tracked since 2017).

  • Individual
  • Female
  • Years of Experience 10
  • Physician Assistant
  • Medical
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About OLIVIA LARUSSA

This page provides the complete NPI Profile along with additional information for Olivia Larussa, a primary care provider established in Washington, District Of Columbia with a medical specialization in Physician Assistant, focusing in medical and more than 10 years of experience. The healthcare provider is registered in the NPI registry with number 1023530342 assigned on July 2017. The practitioner's primary taxonomy code is 363AM0700X with license number PA200001702 (DC). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1023530342
Provider Name
OLIVIA MAE LARUSSA PA-C
Gender
Female
Entity Type
Individual
Location Address
900 23RD ST NW WASHINGTON, DC 20037
Location Phone
(202) 741-3000
Mailing Address
3811 FAIRFAX DR STE 1000 ARLINGTON, VA 22203
Mailing Phone
(202) 741-3574
Mailing Fax
(202) 741-3219
Medical School Name
OTHER
Graduation Year
2017
Is Sole Proprietor?
No
Enumeration Date
07-07-2017
Last Update Date
11-21-2023
Code Navigator

A primary care provider (PCP) like Olivia Larussa sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA200001702
License State
DC

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207XX0005XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Sports Medicine

TL2763 (SC)
2363AS0400XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant
Surgical

2763 (SC)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
3448PAMEDICAID (05)SC 

Medicare Participation & PECOS Enrollment Status

Olivia Larussa is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Olivia Larussa is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 7113272006

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20200116000698

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Emergency department visit with low level of medical decision making

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

This service was performed 19 times for 19 patients

Emergency department visit with moderate level of medical decision making

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

This service was performed 18 times for 16 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 13 times for 13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 22 times for 17 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Olivia Larussa is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
VIRGINIA HOSPITAL CENTER1701 NORTH GEORGE MASON DRIVE
ARLINGTON, VA 22205
(703) 558-5000Acute Care Hospitals

Reviews for OLIVIA MAE LARUSSA PA-C

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NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1023530342, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 5 → 10 → 1 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 4 + 3 + 1 + 0 + 3 + 0 + 3 + 8 + 24 = 48

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1023530342.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Anesthesiology
900 23RD ST NW, SUITE G-2092
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW, GEORGE WASHINGTON UNIV HOSP
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology (Critical Care Medicine)
900 23RD ST NW, SUITE G- 2902
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology (Pain Medicine)
900 23RD ST NW, SUITE G - 2902
WASHINGTON, DC 20037
Pediatrics (Neonatal-Perinatal Medicine)
900 23RD ST NW, DEPARTMENT OF NEONATOLOGY
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Pediatrics (Neonatal-Perinatal Medicine)
900 23RD ST NW, DEPARTMENT OF NEONATOLOGY
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW, SUITE G - 2092
WASHINGTON, DC 20037
Hospitalist
900 23RD ST NW
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW, EMERGENCY MEDICINE
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023530342, enumerated as an "individual" on July 07, 2017.

The provider is located at 900 23RD ST NW WASHINGTON, DC 20037 and the phone number is (202) 741-3000.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Olivia Larussa is affiliated with: VIRGINIA HOSPITAL CENTER.